Q & A - Statistics

Q & A

• Mid-values: 115 125 135 145 155 165 175 185 195 Frequency 6 25 48 72 116 60 38 22 3 Mid-values:115125135145155165175185195Frequency:62548721166038223
• How to calculate missing frequency if median is known but N is not known How to calculate missing frequency if median is known but N is not known
• Find the missing frequency from the data provided below, when median mark is given Find the missing frequency from the data provided below, when median mark is given
• a manufacturer of jeans has plants in california, arizona and texas a manufacturer of jeans has plants in california, arizona and texas
• In a set of 10 scores the value 2 occurs three times the value 4 occurs twice 6 occurs twice, and 7 occurs three times What is the mean of the scores In a set of 10 scores the value 2 occurs three times, the value 4 occurs twice, 6 occurs twice, and 7 occurs three times. What is the mean of the scores? a. (2 2 6 7)/...
• The U.S. Census Bureau provides statistics on family life in the United States including the age at the time of first marriage current marital status and size of household The U.S. Census Bureau provides statistics on family life in the United States, including the age at the time of first marriage, current marital status, and size of house...
• Calculate the variance and standard deviation for samples for which a n 10 ∑x2 = 84 ∑x = 20 b n = 40, ∑x2 = 380 ∑x = 100 c n = 20, ∑x2 = 18 ∑x = 17 Calculate the variance and standard deviation for samples for which a. n = 10 , ∑x2 = 84, ∑x = 20 b. n = 40, ∑x2 = 380, ∑x = 100 c. n = 20, ∑x2 = 18, ∑x = 17
• According to the Internal Revenue Service 75% of all tax returns lead to a refund A random sample of 100 tax returns is taken a What is the mean of the distribution of the sample proportion of According to the Internal Revenue Service, 75% of all tax returns lead to a refund. A random sample of 100 tax returns is taken. a. What is the mean of the distributio...
• Two distinct solid fuel propellants type A and Type B are being considered for a space program activity. From past data we know that the standard deviation of burning rate of two propellants are the Two distinct solid fuel propellants, type A and Type B, are being considered for a space program activity. From past data we know that the standard deviation of burning ...
• How to convert unequal intervals of open End seriesCI below 50,50-70,70-100,100-150,150-180,above 180.Frequency:18,34,66,110,51,21. How to convert unequal intervals of open End seriesCI: below 50,50-70,70-100,100-150,150-180,above 180.Frequency:18,34,66,110,51,21.
• Refer to the distribution of centipedes given in Exercise 3 S 2 Suppose four squares are chosen at ran- dom. Find the expected value the mean of the number of squares that contain at least Refer to the distribution of centipedes given in Exercise 3.S.2. Suppose four squares are chosen at ran- dom. Find the expected value (i.e., the mean) of the num- ber of ...
• Suppose 20% of the people in a city prefer Pepsi-Cola as their soft drink of choice If a random sample of six people is chosen the number of Pepsi drinkers could range from zero to six Shown here Suppose 20% of the people in a city prefer Pepsi-Cola as their soft drink of choice. If a random sample of six people is chosen, the number of Pepsi drinkers could range ...
• The weight of a group of women has a population mean µ of 130130 pounds and a population standard deviation, s, of 1717 pounds The distribution is right-skewed Suppose a random sample is taken of The weight of a group of women has a population mean, µ, of 130130 pounds and a population standard deviation, s, of 1717 pounds. The distribution is right-skewed. Suppos...
• For one study researchers sampled over 100000 first-time candidates for the certified public accountant (CPA exam and recorded the total semester hours of college credit for each candidate For one study, researchers sampled over 100,000 first-time candidates for the certified public accountant (CPA) exam and recorded the total semester hours of college cred...
• Must show all your work step by step in order to receive full credit Excel is not allowed The length of stay in a resort for vacation is recorded for a sample of 48 guests Must show all your work step by step in order to receive full credit; Excel is not allowed. The length of stay in a resort for vacation is recorded for a sample of 48 gue...
• Math 533 Applied Managerial Statistics Course Project A SALES CALL Part A Exploratory Data Analysis Math 533 Applied Managerial Statistics Analyze the connections or relationships between the Math 533 Applied Managerial Statistics Course Project A SALES CALL Part A: Exploratory Data Analysis Math 533 Applied Managerial Statistics Analyze the connections or rel...
• The respiratory system can be a limiting factor in maximal exercise performance Researchers from the United Kingdom studied the effect of two breathing frequencies on both performance times and sever The respiratory system can be a limiting factor in maximal exercise performance. Researchers from the United Kingdom studied the effect of two breathing frequencies on bo...
• Find harmonic mean for simple frequency distribution Find harmonic mean for simple frequency distribution
• Find harmonic mean for the frequency distribution with class intervals Find harmonic mean for the frequency distribution with class intervals
• Find geometric mean for the simple frequency distribution Find geometric mean for the simple frequency distribution
• Find geometric mean for the frequency distribution with class intervals. Find geometric mean for the frequency distribution with class intervals.
• Find harmonic mean for 6,14,21,30 Find harmonic mean for 6,14,21,30
• Find the average in the simplest method for the following frequency distribution Find the average in the simplest method for the following frequency distribution
• Find mean median and mode for the data 3 6 7 6 2 3 5 7 6 1 4 10 6 Find mean, median and mode for the data 3,6,7,6,2,3,5,7,6,1,4,10,6
• The following data represent the lifetimes in hours of a sample of 40 transistors The following data represent the lifetimes (in hours) of a sample of 40 transistors:112, 121, 126, 108, 141, 104, 136, 134121, 118, 143, 116, 108, 122, 127, 140113, 117, ...
• SPSS DESCRIPTIVE STATISTICS ASSIGNMENT INSTRUCTIONS Using the Descriptive Statistics Data Set provided for this assignment explore the data using measures of central tendency measures of dispersion SPSS DESCRIPTIVE STATISTICS ASSIGNMENT INSTRUCTIONS Using the Descriptive Statistics Data Set provided for this assignment, explore the data using measures of central ten...
• Suppose we roll a fair die two times a How many different samples are there? No of samples b List each of the possible samples Compute the mean and the standard deviation Suppose we roll a fair die two times. (a) How many different samples are there? No of samples (b) List each of the possible samples. Compute the mean and the standard deviation
• find out the missing frequencies of the followings series if the A M is 35 and total number of item is 100.class interval frequency0-10 510-20 1020-30 ?30-40 440-50 2050-60 360-70 find out the missing frequencies of the followings series if the A.M is 35 and total number of item is 100.class interval frequency0-10 510-20 1020-30 ?30-40 440-50 2050-...
• The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.4 liters. A health campaign promotes the consumption of at least 2.0 liters per day A sample of The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.4 liters. A health campaign promotes the consumption of at least 2...
• Following table define a project management plan construct project network draw Grantt chart calculate minimum additional cash Following table define a project management plan; construct project network,draw Grantt chart, calculate minimum additional cash cost...
• Henrique Correa's bakery prepares all its cakes between 4 A.M.and 6 A.M.so they will be fresh when customers arrive Day-old cakes are virtually always sold but at a 50% discount off the regular Henrique? Correas bakery prepares all its cakes between 4 A.M.and 6 A.M.so they will be fresh when customers arrive.? Day-old cakes are virtually always? sold, but at a? ...
• Find the crude Mode for the following data 15 14 8 14 14 11 9 9 11 2 Compute the Mean Median and Mode for the following distribution 1. Find the crude Mode for the following data:15, 14, 8, 14, 14, 11, 9, 9, 11.2. Compute the Mean, Median and Mode for the following distribution:
• What do you mean by Genetic Research Enumerate the purpose and importance of Genetic Research in Education 2 Distinguish among Historical Case study and Genetic method of research though all 1. What do you mean by Genetic Research? Enumerate the purpose and importance of Genetic Research in Education.2. Distinguish among Historical, Case study and Genetic met...
• Define the term History What is historical research 2 Enumerate the need and importance of historical research in education 3 Indicate the functions of history in education and historical 1. Define the term ‘History’. What is historical research?2. Enumerate the need and importance of historical research in education.3. Indicate the functions of history in...
• Define the term ‘Sampling Differentiate between sample and population and illustrate your answer with examples 2 Distinguish between probability sampling and non-probability sampling Mention 1. Define the term ‘Sampling’. Differentiate between sample and population and illustrate your answer with examples.2. Distinguish between probability sampling and non-pr...
• Why is it necessary to define a problem and delimiting a problem 2 How is a problem stated? Describe the various ways of defining a problem 3 Discuss characteristics of good problem and 1. Why is it necessary to define a problem and delimiting a problem?2. How is a problem stated? Describe the various ways of defining a problem.3. Discuss characteristics...
• Define the term ‘Research Enumerate the characteristics of research Give a comprehensive definition of research 2 Define the term ‘Research Describe the specific features of Research 1. Define the term ‘Research’, Enumerate the characteristics of research. Give a comprehensive definition of research.2. Define the term ‘Research’. Describe the specific...
• What is resourcing 2 What is strategic resourcing 3 What is the essential nature of strategic resourcing 4 What is the strategic HRM approach to resourcing 5 What is meant by integrating 1. What is resourcing?2. What is strategic resourcing?3. What is the essential nature of strategic resourcing?4. What is the strategic HRM approach to resourcing?5. What ...
• Gubser Welding Inc operates a welding service for construction and automotive repair jobs. Assume that the arrival of jobs at the company's office can be described by a Poisson probability Gubser Welding, Inc., operates a welding service for construction and automotive repair jobs. Assume that the arrival of jobs at the companys office can be described by a...
• A business executive has the option to invest money in 2 plans A and B Plan A guarantees an income of Rs70 for every Rs100 invested after one year while Plan B promises an income of A business executive has the option to invest money in 2 plans A and B. Plan A guarantees an income of Rs70 for every Rs100 invested after one year, while Plan B promises...
• A young couple has $20000 90% of their savings to invest in either savings bonds or a real estate deal The zero coupon savings bonds return $25000 $5000 interest in three years A young couple has $20,000 (90% of their savings) to invest in either savings bonds or a real estate deal. The (zero coupon) savings bonds return $25,000 ($5,000 interest...
• We would like to see how a city's location can help predict its weather The latitude (in degrees north of the equator and average January temperature in degrees Celsius are shown below for We would like to see how a citys location can help predict its weather. The latitude (in degrees north of the equator) and average January temperature (in degrees Celsius...
• A university cafeteria line in the student center is a self-serve facility in which students select the food items they want and then form a single line to pay the cashier Students arrive at a rate A university cafeteria line in the student center is a self-serve facility in which students select the food items they want and then form a single line to pay the cashie...
• Bill First, general manager of Worthmore Department Store has estimated that every hour of customer time spent waiting in line for the sales clerk to become available costs the store $100 in lost Bill First, general manager of Worthmore Department Store, has estimated that every hour of customer time spent waiting in line for the sales clerk to become available co...
• For the post office in Problem 13-17 a second drive through window is being considered. A single line would be formed and as a car reached the front of the line it would go to the next available For the post office in Problem 13-17, a second drive through window is being considered. A single line would be formed and as a car reached the front of the line it would...
• An increase in the size of the barge unloading crew at the Port of New Orleans see Section 14.5 has resulted in a new probability distribution for daily unloading rates In particular An increase in the size of the barge unloading crew at the Port of New Orleans (see Section 14.5) has resulted in a new probability distribution for daily unloading rates...
• Do you think the application of simulation will increase strongly in the next 10 years Why or why not Do you think the application of simulation will increase strongly in the next 10 years? Why or why not?
• Refer to Problem 14-19 Suppose the sale of football programs described by the probability distribution in that problem only applies to days when the weather is good When poor weather occurs on the Refer to Problem 14-19. Suppose the sale of football programs described by the probability distribution in that problem only applies to days when the weather is good. Whe...
• Statewide Development Corporation has built a very large apartment complex in Gainesville Florida As part of the student-oriented marketing strategy that has been developed it is stated that if any Statewide Development Corporation has built a very large apartment complex in Gainesville, Florida. As part of the student-oriented marketing strategy that has been devel...